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Why is O2 zero?
For oxygen, the standard state is O2 gas. By definition, the standard enthalpy of formation of an element in its standard state is zero. This is because there is no formation process needed for an element in its standard state ; it is already in that state.
For oxygen, the standard state is O2 gas. By definition, the standard enthalpy of formation of an element in its standard state is zero. This is because there is no formation process needed for an element in its standard state ; it is already in that state.
See lessgreen house gas?
Greenhouse gases consist of carbon dioxide, methane, ozone, nitrous oxide, chlorofluorocarbons, and water vapor.
Greenhouse gases consist of carbon dioxide, methane, ozone, nitrous oxide, chlorofluorocarbons, and water vapor.
See lessIs RA a metal?
Radium (chemical symbol Ra) is a naturally occurring radioactive metal.
Radium (chemical symbol Ra) is a naturally occurring radioactive metal.
See lessWhat element is Z?
There are only two chemical elements whose name begins with the letter Z. These elements are zinc and zirconium.
There are only two chemical elements whose name begins with the letter Z. These elements are zinc and zirconium.
See lessWhat color is oxygen?
Well, gaseous oxygen is colorless. However, when in liquid form, it comes in a shade of pale sky-blue. Liquid oxygen in a beaker, showing its characteristic pale-blue color.
Well, gaseous oxygen is colorless. However, when in liquid form, it comes in a shade of pale sky-blue. Liquid oxygen in a beaker, showing its characteristic pale-blue color.
See lessWhy is 02 called oxygen?
Because each oxygen molecule has two oxygen atoms, it is written with a \[2\] . Note: We breathe diatomic oxygen molecules, which are made up of only two oxygen atoms.
Because each oxygen molecule has two oxygen atoms, it is written with a \[2\] . Note: We breathe diatomic oxygen molecules, which are made up of only two oxygen atoms.
See lessWho discovered CO2?
On This Day – June 11 : The Scottish chemist Joseph Black discovered carbon dioxide on this day in 1754.
On This Day – June 11 : The Scottish chemist Joseph Black discovered carbon dioxide on this day in 1754.
See lessWhat is y in the periodic table?
Yttrium is a chemical element; it has symbol Y and atomic number 39.
Yttrium is a chemical element; it has symbol Y and atomic number 39.
See lessWho is the Indian father of chemistry?
Sir Acharya Prafulla Chandra Ray (August 2, 1861 – June 16, 1944) was a remarkable scientist, literary figure, professor, industrialist, philanthropist, and much more. Widely revered as "the father of Indian chemistry".
Sir Acharya Prafulla Chandra Ray (August 2, 1861 – June 16, 1944) was a remarkable scientist, literary figure, professor, industrialist, philanthropist, and much more. Widely revered as “the father of Indian chemistry”.
See lessWho named oxygen?
Among them was the colorless and highly reactive gas he called "dephlogisticated air," to which the great French chemist Antoine Lavoisier would soon give the name "oxygen."
Among them was the colorless and highly reactive gas he called “dephlogisticated air,” to which the great French chemist Antoine Lavoisier would soon give the name “oxygen.”
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